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Individual Calculations July 2008 |
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| Wielenga, Wiebe Total change: 22.05 | |   |
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| Dutch Team Competition - 3A - round 7-9 | Various | NED | 2007-09-15 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1994 | 2118 | 1.00 | 2 | -0.32 | 15 | -4.80 | |
|  Slagter, Ruben | | | 1895 | NED | 1.00 | 1 | 0.22 | 15 | 3.30 | | | Drent, Sjoerd | | | 2092 | NED | 0.00 | 1 | -0.54 | 15 | -8.10 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | NOSBO kampioenschap 2008 | Groningen | NED | 2008-01-30 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2025 | 2125 | 2.50 | 3 | 0.63 | 15 | 9.45 | |
|  Romijn, Bart | | | 1880 | NED | 0.50 | 1 | -0.30 | 15 | -4.50 | | | Cako, Laszlo | | | 2206 | NED | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Hummel, Joop | | | 1989 | NED | 1.00 | 1 | 0.32 | 15 | 4.80 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | 13e Open Groninger Kampioenschap | Groningen | NED | 2008-04-11 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2194 | 2092 | 3.00 | 5 | 1.16 | 15 | 17.40 | |
| | Clemens, Adrian | f | | 2326 | NED | 0.50 | 1 | 0.29 | 15 | 4.35 | | | Schoorl, Rob | | | 2257 | NED | 0.50 | 1 | 0.22 | 15 | 3.30 | | | Veltman, Jelmer | | | 2174 | NED | 1.00 | 1 | 0.61 | 15 | 9.15 | | | Balje, Jan | | | 2197 | NED | 0.00 | 1 | -0.36 | 15 | -5.40 | | | Hummel, Joop | | | 2018 | NED | 1.00 | 1 | 0.40 | 15 | 6.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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